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Seasonal Morphometrics of Gonads in Air Breathing Fish C.Gachua (Ham.1822)

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Seasonal Morphometrics of Gonads in Air Breathing Fish C.Gachua (Ham.1822)


Navjyoti Ranjan Verma | Dr. P. K. Roy



Navjyoti Ranjan Verma | Dr. P. K. Roy "Seasonal Morphometrics of Gonads in Air Breathing Fish C.Gachua (Ham.1822)" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-6 | Issue-3, April 2022, pp.428-435, URL: https://www.ijtsrd.com/papers/ijtsrd49538.pdf

The present study was carried out during the period of different phases of reproductive cycle in C.gachua i.e. preparatory, pre-spawning, spent and post-spawning. Morphometrics of the gonads i.e. the gonadal dimensions observed month wise for a complete year span. The ratio of the avg. Length and weight of the ovary is recorded maximum during July (3.8cm: 9.5gm) closely followed by August (2.8cm: 7.4gm). The same is recorded the least in the month of December (1.0 cm: 2.0 gm). It clearly shows that C.gachua spawns once in a year i.e. between July-August. It was observed that the testis of C.gachua attains its maximum length in the month of July (1.5 cm) closely followed in August (1.3 cm) and is least in the month of October to December (0.3 cm). The length: weight ratio of the species also recorded maximum during July (23.7cm: 56.6 gm) and is minimum during December (14.5cm: 32.8gm). Similarly avg. length: avg. weight of testis was observed maximum during July (1.5 cm: 2.1 gm), closely followed by August (1.3cm: 1.2 gm). The same ratio was observed the minimum during the month of Nov- Jan (0.2cm: 0.2mg). The same result was also observed in C.gachua by Khanna and Sanwal, 1971. December is the post spawning period (spent phase) of the species.

Morphometrics, gonads, gonadal dimensions, spawning


IJTSRD49538
Volume-6 | Issue-3, April 2022
428-435
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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